Docker for mac

export DOCKERHOST=`ipconfig getifaddr en0` && docker-compose up

Docker-machine

export DOCKERHOST=`docker-machine ip dev` && docker-compose up

Linux

export DOCKERHOST=`hostname --ip-address` && docker-compose up

Run it

kafka-console-consumer --zookeeper $DOCKERHOST:2181 --topic helloworld

kafka-console-producer --broker-list $DOCKERHOST:9092 --topic helloworld